SYSC 3303 Lecture Notes - Lecture 17: Multiprocessing, Dmx512, Hard Copy

• School: Carleton University
• Department: Systems and Computer Engineering
• Course: SYSC 3303
• Professor: Lynn Marshall

Document Summary

Less risky: proprietary vs. 3rd party software tools, proprietary, complete control, a(cid:271)le to support (cid:894)don"t (cid:449)orr(cid:455) a(cid:271)out going o(cid:271)solete(cid:895, extend as needed. Last resort (no 3rd part language that would work for the project: 3rd party. If bug, at mercy of 3rd party to fix it: saves development and people cost. Increases revenue/employee: one site vs. multi-site development, one site, communication easier, multi-site, 3 (cid:862)shifts(cid:863) because of time zones, different ideas based on location. Labour cost down: quality vs time to market, quality, heavyweight design process, time to market: Downtime permitted by regulations for telephony equipment of this scale is 2 hours in 40 years. All outages must be investigated and the results reported: xa-core a highly modular, multiprocessing architecture for dms telephone switches from nortel networks. Using processor, memory and i/o cards that are independent of each other, which can be added (hot plugged) during normal operation.